Martha sells ribbon at a craft shop. She lost her measuring tape.
She had 3 pieces of ribbon already cut and knew their lengths.
The lengths of the 3 pieces of ribbon were 11 centimeters,
13 centimeters, and 17 centimeters.
A customer comes in and wants a piece of ribbon that is
19 centimeters long. Martha figured out how to use the 3 pieces
of ribbon that she knows the lengths of to measure the ribbon for
the customer.
(a) Use words and a drawing to explain how Martha could use
2 the ribbons to measure 19 centimeters.